Home / 2,719,358.10-4,081,989.60-1,709,620.20

Finding the Fourth Proportional to 2,719,358.10, 4,081,989.60 and 1,709,620.20

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Solution

The fourth proportional to 2,719,358.10, 4,081,989.60 and 1,709,620.20 is: 2,566,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,358.10 : 4,081,989.60 = 1,709,620.20 : x
  2. Step 2: Convert to fraction form
    2,719,358.10/4,081,989.60 = 1,709,620.20/x
  3. Step 3: Cross multiply
    2,719,358.10x = 4,081,989.60 × 1,709,620.20
  4. Step 4: Simplify right side
    2,719,358.10x = 6,978,651,876,349.92
  5. Step 5: Solve for x
    x = 6,978,651,876,349.92/2,719,358.10
  6. Step 6: Final answer
    x = 2,566,286.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.